418 



AMPIIIPODA, 



NATATORIA. 



COROPHIID.E. 



PODOCERIDES. 



AMPHITHOE RUBRICATA. 



Specific character. Superior antennas nearly two-thirds the length of the 

 animal ; peduncle reaching to the extremity of the penultimate joints of the 

 peduncle of the inferior ; flagellum long and slender. Inferior antennae one- 

 third shorter than the superior. Gnathopoda having the propoda subequal ; 

 carpi inferiorly produced to a small extent ; propoda ovate, the palma? oblique 

 and imperfectly denned. The colour of the adult animal is a bright 

 crimson. 



Length 4 inch. 



Cancer (Gammarus) rubricatus. 



Gammarus rubricatus. 

 A mpldthoe rubricata. 



Montagu, Linn. Trans, ix. p. 99, pi. v. 



fig. 1. 

 Leach, Edin. Encyc. vii. p. 402. 

 Leach, Edin. Encyc. Append, p. 432. 



Linn. Trans, xi. p. 360. Suppl. Enc. 



Brit. 1, p. 425. Desmarest, Consid. 



Crust, t. 45, fig. 9. Samouelle, Ent. 



Comp. p. 104. Thompson, Ann. Nat. 



Hist. xx. p. 242 (Oct. 1847). Milne 



Edwards, Ann. Sci. Nat. xx. p. 377. 



Hist, des Crust, iii. p. 33. Spence 



Bate, Rep. Brit. Assoc. 1855, p. 59. 



Ann. Nat. Hist. 2 ser. vol. xix. p. 147. 



Cat. Amph. Brit. Mus. p. 233. White, 



Hist. Brit. Crust, p. 200. Gosse, Mar. 



Zool. i. p. 141, fig. 258. 



The figure at the head of this description is taken 

 from Montagu's type in the British Museum. But the 



